The prosecution and defense will spend the next week negotiating written statements from some 17 witnesses, in lieu of having them testify in court. They will report back next Tuesday.

Manning’s in his third week of trial at Fort Meade Army base outside Baltimore on charges including aiding the enemy, which carries a potential life sentence.

In a short session Tuesday, the judge heard arguments on whether to allow tweets, allegedly by WikiLeaks, as evidence. The government wants to show Manning responded to one asking for military internet addresses, but the defense says it’s unverified whether WikiLeaks actually sent it and Manning ever saw it.